/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #2ecc71;
    --primary-dark: #27ae60;
    --secondary-color: #3498db;
    --accent-color: #f39c12;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --dark-gray: #34495e;
    --success: #27ae60;
    --warning: #f39c12;
    --error: #e74c3c;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 44px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    width: 100%;
    background: #fff;
    box-shadow: 0 2px 12px rgba(44,62,80,0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 0;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 0.25rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
    transition: left 0.3s ease;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 0.75rem 1.25rem;
    color: #2c3e50;
    font-weight: 500;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: background 0.2s, color 0.2s;
}

.nav-link:hover,
.nav-link.active {
    background: #eafaf1;
    color: #27ae60;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    width: 40px;
    height: 40px;
    cursor: pointer;
    z-index: 2001;
}
.hamburger span {
    height: 4px;
    width: 100%;
    background: #27ae60;
    margin: 5px 0;
    border-radius: 2px;
    transition: 0.3s;
    display: block;
}

/* Hero Section */
.hero {
    min-height: 110vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    background-image: linear-gradient(135deg, rgba(0,0,0,0.85), rgba(0,0,0,0.97)), url('assets/img/Cartelera.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-blend-mode: multiply;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-xl) 0;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    min-height: 80vh;
    margin-top: 0;
    padding-top: var(--spacing-lg);
}

.hero-content {
    color: var(--white);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    background: rgba(0,0,0,0.7);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 32px rgba(0,0,0,0.2);
}

.hero-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    line-height: 1.2;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: var(--font-size-2xl);
}

.title-highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: var(--font-size-2xl);
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    line-height: 1.6;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 0 auto;
}

.hero-img {
    width: 100%;
    max-width: 1600px;
    aspect-ratio: 18/9;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 40px 0 rgba(0,0,0,0.55), 0 2px 8px 0 rgba(52,152,219,0.15);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

.hero-img:hover {
    transform: translateY(-10px) scale(1.02);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
    position: relative;
    z-index: 2;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    color: var(--white);
    min-width: 150px;
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto;
    border-radius: var(--radius-sm);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
}

/* Mission Section */
.mission {
    padding: var(--spacing-3xl) 0;
    background: var(--light-gray);
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.mission-text, .vision-text {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    max-width: 700px;
}

.mission-text h3, .vision-text h3 {
    text-align: center;
    width: 100%;
}

.mission-text p, .vision-text p {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.mission-image,
.vision-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.mission-img,
.vision-img {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 4/3;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.2));
}

.mission-img:hover,
.vision-img:hover {
    transform: translateY(-5px) scale(1.02);
}

/* Vision Section */
.vision {
    padding: var(--spacing-3xl) 0;
}

.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.vision-text h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

/* Services Section */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 8px 32px 0 rgba(44,62,80,0.18), 0 1.5px 4px 0 rgba(52,152,219,0.10);
    border: 2px solid rgba(46,204,113,0.12);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-14px) scale(1.035);
    box-shadow: 0 16px 48px 0 rgba(44,62,80,0.22), 0 3px 12px 0 rgba(52,152,219,0.16);
    background: linear-gradient(135deg, #f8fff8 60%, #eafaf1 100%);
    border-color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--white);
    font-size: var(--font-size-2xl);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 8px rgba(44,62,80,0.08);
}

.service-card p {
    color: #3a4a5a;
    line-height: 1.7;
}

/* Contact Section */
.contact {
    padding: var(--spacing-3xl) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-2xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-normal);
}

.contact-item:hover {
    transform: translateX(10px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.contact-details p {
    margin-bottom: 0;
    color: var(--text-light);
}

/* Contact Logo Section */
.contact-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.contact-logo:hover {
    transform: translateY(-5px);
}

.logo-container {
    text-align: center;
    max-width: 400px;
}

.contact-logo-img {
    width: 200px;
    height: 200px;
    object-fit: contain;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.1));
}

.contact-logo-img:hover {
    transform: scale(1.05);
}

.logo-title {
    color: var(--primary-color);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.logo-subtitle {
    color: var(--text-light);
    font-size: var(--font-size-lg);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer-logo .logo-img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}

.footer-section p {
    color: #256d3a;
    font-weight: 700;
    background: transparent;
    box-shadow: none;
    padding: 0;
    border-radius: 0;
    display: block;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.hidden { display: none; }
.visible { display: block; }

/* Gallery Section */
.gallery {
    padding: var(--spacing-3xl) 0;
    background: var(--light-gray);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.gallery-item {
    position: relative;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    aspect-ratio: 4/3;
}

.gallery-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    background: linear-gradient(180deg, rgba(44,62,80,0.55) 20%, rgba(44,62,80,0.95) 100%);
    pointer-events: none;
}

.gallery-img {
    width: 100%;
    max-width: 360px;
    aspect-ratio: 4/3;
    height: auto;
    object-fit: cover;
    border-radius: 0.75rem;
    position: relative;
    z-index: 1;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: none;
    color: #f8fafc;
    padding: var(--spacing-lg);
    z-index: 3;
    text-shadow: 0 2px 8px rgba(44,62,80,0.7), 0 1px 2px rgba(0,0,0,0.3);
}

.gallery-overlay h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: #eaf6f6;
    text-shadow: 0 2px 8px rgba(44,62,80,0.8), 0 1px 2px rgba(0,0,0,0.3);
}

.gallery-overlay p {
    font-size: var(--font-size-sm);
    color: #e0e7ef;
    line-height: 1.4;
    text-shadow: 0 2px 8px rgba(44,62,80,0.7), 0 1px 2px rgba(0,0,0,0.3);
}

/* Responsive Gallery */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
    
    .gallery-overlay {
        padding: var(--spacing-md);
    }
    
    .gallery-overlay h3 {
        font-size: var(--font-size-base);
    }
    
    .gallery-overlay p {
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .gallery-item {
        aspect-ratio: 3/2;
    }
    
    .gallery-overlay {
        transform: translateY(0);
        background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    }
    
    .gallery-overlay h3 {
        font-size: var(--font-size-sm);
    }
    
    .gallery-overlay p {
        font-size: 0.75rem;
    }
}

/* Gap Fix: 500px - 630px */
@media (min-width: 500px) and (max-width: 630px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .gallery-overlay {
        padding: var(--spacing-sm);
    }
    
    .gallery-overlay h3 {
        font-size: var(--font-size-sm);
    }
    
    .gallery-overlay p {
        font-size: 0.7rem;
    }
}

/* PDF Section Styles */
.pdf-section {
    padding: 60px 0;
    background: #d4f5e9;
}
.pdf-section .section-header {
    text-align: center;
    margin-bottom: 40px;
}
.pdf-section .section-title {
    color: #27ae60;
    text-shadow: 0 2px 8px rgba(39,174,96,0.10);
}
.pdf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    justify-content: center;
    align-items: stretch;
}
.pdf-card {
    background: #eafaf1;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(44, 62, 80, 0.08);
    padding: 32px 24px 24px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(60px) scale(0.95) rotateZ(3deg);
    transition: opacity 0.7s cubic-bezier(.4,2,.6,1), transform 0.7s cubic-bezier(.4,2,.6,1);
    will-change: opacity, transform;
}
.pdf-card.show {
    opacity: 1;
    transform: translateY(0) scale(1.04) rotateZ(0deg);
}
.pdf-grid .pdf-card {
    transition-delay: 0s;
}
.pdf-grid .pdf-card:nth-child(1) { transition-delay: 0.05s; }
.pdf-grid .pdf-card:nth-child(2) { transition-delay: 0.10s; }
.pdf-grid .pdf-card:nth-child(3) { transition-delay: 0.15s; }
.pdf-grid .pdf-card:nth-child(4) { transition-delay: 0.20s; }
.pdf-grid .pdf-card:nth-child(5) { transition-delay: 0.25s; }
.pdf-grid .pdf-card:nth-child(6) { transition-delay: 0.30s; }
.pdf-grid .pdf-card:nth-child(7) { transition-delay: 0.35s; }
.pdf-grid .pdf-card:nth-child(8) { transition-delay: 0.40s; }
.pdf-grid .pdf-card:nth-child(9) { transition-delay: 0.45s; }
.pdf-icon {
    font-size: 3rem;
    color: #e74c3c;
    margin-bottom: 18px;
    transition: color 0.3s;
}
.pdf-card:hover .pdf-icon {
    color: #c0392b;
}
.pdf-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #2ecc71;
    margin-bottom: 0;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 8px rgba(46,204,113,0.08);
}
.pdf-link {
    display: none;
}
@media (max-width: 600px) {
    .pdf-section {
        padding: 40px 0;
    }
    .pdf-card {
        padding: 24px 12px 18px 12px;
    }
    .pdf-title {
        font-size: 1.1rem;
    }
}

/* --- NUEVO MENÚ RESPONSIVE PROFESIONAL --- */

.navbar {
  width: 100%;
  background: #fff;
  box-shadow: 0 2px 12px rgba(44,62,80,0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 70px;
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 0.25rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  transition: left 0.3s ease;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 0.75rem 1.25rem;
  color: #2c3e50;
  font-weight: 500;
  text-decoration: none;
  border-radius: 0.5rem;
  transition: background 0.2s, color 0.2s;
}

.nav-link:hover,
.nav-link.active {
  background: #eafaf1;
  color: #27ae60;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  z-index: 2001;
}
.hamburger span {
    height: 4px;
    width: 100%;
    background: #27ae60;
    margin: 5px 0;
    border-radius: 2px;
    transition: 0.3s;
    display: block;
}

@media (max-width: 991px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100vw;
    width: 100vw;
    height: calc(100vh - 70px);
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 2rem 1.5rem;
    box-shadow: 0 8px 32px rgba(44,62,80,0.10);
    transition: left 0.3s cubic-bezier(.4,2,.6,1);
    z-index: 2000;
  }
  .nav-menu.active {
    left: 0;
  }
  .nav-link {
    width: 100%;
    padding: 1.25rem 0.5rem;
    font-size: 1.1rem;
    border-radius: 0.5rem;
    text-align: left;
  }
  .hamburger {
    display: flex;
  }
}

body.menu-open {
  overflow: hidden;
}